Home / 5,471.55-8,205.91-1,521.89

Finding the Fourth Proportional to 5,471.55, 8,205.91 and 1,521.89

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Solution

The fourth proportional to 5,471.55, 8,205.91 and 1,521.89 is: 2,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.55 : 8,205.91 = 1,521.89 : x
  2. Step 2: Convert to fraction form
    5,471.55/8,205.91 = 1,521.89/x
  3. Step 3: Cross multiply
    5,471.55x = 8,205.91 × 1,521.89
  4. Step 4: Simplify right side
    5,471.55x = 12,488,492.37
  5. Step 5: Solve for x
    x = 12,488,492.37/5,471.55
  6. Step 6: Final answer
    x = 2,282.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.